Home / 22,688.40-31,325.28-17,373.72

Finding the Fourth Proportional to 22,688.40, 31,325.28 and 17,373.72

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Solution

The fourth proportional to 22,688.40, 31,325.28 and 17,373.72 is: 23,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.40 : 31,325.28 = 17,373.72 : x
  2. Step 2: Convert to fraction form
    22,688.40/31,325.28 = 17,373.72/x
  3. Step 3: Cross multiply
    22,688.40x = 31,325.28 × 17,373.72
  4. Step 4: Simplify right side
    22,688.40x = 544,236,643.64
  5. Step 5: Solve for x
    x = 544,236,643.64/22,688.40
  6. Step 6: Final answer
    x = 23,987.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.